The Black Tiger Clam (Tridacna maxima) is a visually stunning giant clam species prized in the marine aquarium hobby for its vibrant mantle patterns and natural filtration capabilities. At approximately 10cm, this clam is a manageable size for established reef tanks.
Care Level: Moderate to advanced. Requires stable water parameters and strong lighting to thrive.
Diet: Primarily photosynthetic, relying on symbiotic zooxanthellae within its tissues. Supplementary feeding with phytoplankton or specialised clam foods can support growth and health.
Lighting Requirements: High-intensity lighting such as T5, LED, or metal halide is essential to support photosynthesis.
Water Flow: Moderate, indirect water flow is ideal to prevent mantle damage while ensuring nutrient exchange.
Placement: Position on a stable, sandy or rubble substrate in a well-lit area of the aquarium. Avoid direct strong currents and ensure the clam is secure to prevent movement.
Compatibility and Reef Safety: Generally reef safe. Avoid housing with aggressive fish or invertebrates that may nip at the mantle. Compatible with most reef inhabitants.
Origin: Indo-Pacific region.
Maximum Size: Up to 15cm in captivity, though growth rates vary.
Minimum Tank Size: Recommended minimum 100 litres to maintain stable water conditions.
Regular monitoring of water parameters, especially calcium, alkalinity, and magnesium, is important to support shell growth. Avoid sudden changes in lighting or water chemistry to prevent stress.
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